Philips Q522.1E LB Service Manual page 73

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Circuit Diagrams and PWB Layouts
SSB: PNX8541: Audio
1
2
PNX 8541: AUDIO
B04M
A
7HV0
TPA6111A2DGN
3HV3-3
B
IHV2
22K
IHVF
2HVD
1u0
6
3
2
ADAC(3)
IHV4
3HV3-2
IHVC
2HVE
1u0
7
2
6
ADAC(4)
22K
5
IHV5
2HVF
3
1u0
3HV5
AUDIO-RESET
C
10K
AUDIO-VDD
IHV6
IHV3
3HV7
3HVA
D
7HV1
BC847BW
5K6
ADAC(3)
ADAC(4)
E
3139 123 6341.2
1
2
Q522.1E LB
3
4
2HVH
33p
3HV3-1
1
8
22K
3HV3-4
4
5
22K
2HVK
33p
+3V3
Φ
VDD
AMPLIFIER
IHVD
AUDIO-HDPH-L-AP
1
1
1
IN-
2
VO
IHV1
AUDIO-HDPH-R-AP
7
SHUTDOWN
2
10
BYPASS
VIA
11
GND
GND_HS
RESERVED
AUDIO-VDD
IHVH
IHVG
7HV2
BC847BW
5K6
RESERVED FOR ITV
BATHROOM SPEAKER
1HV1
FHV4
1
FHV5
FHV6
2
3
5
4
BM03B-SRSS-TBT
3
4
7.
73
5
6
FHV3
IHVB
3HV4-4
4
5
AUDIO-RESET
22K
5
6
7
8
9
B04M
+3V3-STANDBY
4
3HV4-2
IHV8
7
2
BC847BPN
7HVA-2
5
22K
IHVA
A-PLOP
3
IHV7
6
IHV9
2
7HVA-1
BC847BPN
1
7
8
9
1HV1 E4
2HVC B3
2HVD B1
2HVE B1
2HVF B2
2HVG C6
2HVH A2
2HVK A2
3HV3-1 A2
A
3HV3-2 B1
3HV3-3 B1
3HV3-4 A2
3HV4-1 B8
3HV4-2 B8
3HV4-3 C6
3HV4-4 C6
3HV5 C1
3HV6 D2
3HV7 D1
3HV8 D2
3HV9 D3
3HVA D2
B
3HVB D3
7HV0 B2
7HV1 D2
7HV2 D3
7HVA-1 C8
7HVA-2 B8
FHV3 C6
FHV4 E3
FHV5 E3
FHV6 E3
IHV1 B3
IHV2 B1
C
IHV3 D1
IHV4 B1
IHV5 B2
IHV6 D2
IHV7 C9
IHV8 B7
IHV9 C7
IHVA B8
IHVB C6
IHVC B2
IHVD B3
IHVF B2
D
IHVG D2
IHVH D3
E
I_17960_034.eps
220508

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